fs/btrfs/reflink.h

File Facts

System

Linux kernel

Corpus path

fs/btrfs/reflink.h

Extension

.h

Size

322 bytes

Lines

15

Domain

Core OS

Bucket

VFS And Filesystem Core

Inferred role

Core OS: implementation source

Status

source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/types.h

Detected Declarations

• struct file

Annotated Snippet

#ifndef BTRFS_REFLINK_H
#define BTRFS_REFLINK_H

#include <linux/types.h>

struct file;

loff_t btrfs_remap_file_range(struct file *file_in, loff_t pos_in,
			      struct file *file_out, loff_t pos_out,
			      loff_t len, unsigned int remap_flags);

#endif /* BTRFS_REFLINK_H */

Annotation

• Immediate include surface: `linux/types.h`.
• Detected declarations: `struct file`.
• Atlas domain: Core OS / VFS And Filesystem Core.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.